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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.proxy.filedistribution;
import com.yahoo.io.IOUtils;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
import java.io.File;
import java.io.IOException;
import java.time.Duration;
import java.time.Instant;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
/**
* @author hmusum
*/
public class CachedFilesMaintainerTest {
private File cachedFileReferences;
private File cachedDownloads;
private CachedFilesMaintainer cachedFilesMaintainer;
@TempDir
public File tempFolder;
@BeforeEach
public void setup() throws IOException {
cachedFileReferences = newFolder(tempFolder, "cachedFileReferences");
cachedDownloads = newFolder(tempFolder, "cachedDownloads");
cachedFilesMaintainer = new CachedFilesMaintainer(cachedFileReferences, cachedDownloads, Duration.ofMinutes(1));
}
@Test
void require_old_files_to_be_deleted() throws IOException {
runMaintainerAndAssertFiles(0, 0);
File fileReference = writeFile(cachedFileReferences, "fileReference");
File download = writeFile(cachedDownloads, "download");
runMaintainerAndAssertFiles(1, 1);
updateLastModifiedTimeStamp(fileReference, Instant.now().minus(Duration.ofMinutes(10)));
runMaintainerAndAssertFiles(0, 1);
updateLastModifiedTimeStamp(download, Instant.now().minus(Duration.ofMinutes(10)));
runMaintainerAndAssertFiles(0, 0);
}
private void updateLastModifiedTimeStamp(File file, Instant instant) {
if (!file.setLastModified(instant.toEpochMilli())) {
throw new RuntimeException("Could not set last modified timestamp for '" + file.getAbsolutePath() + "'");
}
}
private void runMaintainerAndAssertFiles(int fileReferenceCount, int downloadCount) {
cachedFilesMaintainer.run();
File[] fileReferences = cachedFileReferences.listFiles();
assertNotNull(fileReferences);
assertEquals(fileReferenceCount, fileReferences.length);
File[] downloads = cachedDownloads.listFiles();
assertNotNull(downloads);
assertEquals(downloadCount, downloads.length);
}
private File writeFile(File directory, String filename) throws IOException {
File file = new File(directory, filename);
IOUtils.writeFile(file, filename, false);
return file;
}
private static File newFolder(File root, String... subDirs) throws IOException {
String subFolder = String.join("/", subDirs);
File result = new File(root, subFolder);
if (!result.mkdirs()) {
throw new IOException("Couldn't create folders " + root);
}
return result;
}
}
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